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Finding the Fourth Proportional to 63,134.83, 94,685.84 and 18,749.67

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Solution

The fourth proportional to 63,134.83, 94,685.84 and 18,749.67 is: 28,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,134.83 : 94,685.84 = 18,749.67 : x
  2. Step 2: Convert to fraction form
    63,134.83/94,685.84 = 18,749.67/x
  3. Step 3: Cross multiply
    63,134.83x = 94,685.84 × 18,749.67
  4. Step 4: Simplify right side
    63,134.83x = 1,775,328,253.67
  5. Step 5: Solve for x
    x = 1,775,328,253.67/63,134.83
  6. Step 6: Final answer
    x = 28,119.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.